It is take too long to loading in Shuffle Website and Hacksaw Gaming website showing black screen in Flash Player or HTML player

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I brought the new Brave and I have to try Shuffle from Gambling website, the problems is that when I click on slot then it’s take too long to loading, I don’t know if it error or issue.

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Second one is that I went to Hacksaw Gaming and I try slot too then the result is, it is showing the black screen and doesn’t loading the flash player.
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I just want to clarify, my browsers don’t have flash but I look on element inspect to see on console, the result is this.

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